The Olympus OM-D E-M5 Mark III is 34.7 mm narrower, 73.3 mm shorter, 42.3 mm thinner and 991 g lighter than the Nikon D5.
| Nikon D5 | Olympus OM-D E-M5 Mark III | |
|---|---|---|
| Size (W × H × D) | 160 × 158.5 × 92 mm | 125.3 × 85.2 × 49.7 mm |
| Weight | 1,405 g | 414 g |
| Lens | Nikon F | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2016 | 2019 |